I admire your determination to find fault and blame with everyone but Red Bull for Red Bull allegedly breaking the rules
Red Bull allegedly broke the rules for the TD, according to only Mercedes, and look how that turned out. Until the FIA announce the budget audits you'd have to be very stupid to take anything coming out of Mercedes as gospel.
Personally I would bet Red Bull have tried to exclude some expenses they shouldnt have, and are going to lean hard on how the budget rules are interpreted, and then they'll negotiate a modest penalty with the FIA and the rules will get tightened up. You can already tell this is probably what's happening right now by Horner and the FIA's statements. And they wont be the only team doing creative accounting, all the teams will have.
And if it turns out Mercedes have the inside scoop on other teams budget audits, that tells you everything you need to know about the integrity of Toto's lawyer Rao, and will bring the sport even further into disrepute.
On the other hand, if it turns out they haven't breached any budget caps it'll be humiliating for Mercedes since everyone knows where the speculation has come from.